Z8F4801AN020SC Zilog, Z8F4801AN020SC Datasheet - Page 76
Z8F4801AN020SC
Manufacturer Part Number
Z8F4801AN020SC
Description
IC ENCORE MCU FLASH 48K 44-LQFP
Manufacturer
Zilog
Series
Encore!®r
Specifications of Z8F4801AN020SC
Core Processor
Z8
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, IrDA, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number Of I /o
31
Program Memory Size
48KB (48K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
44-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Other names
269-3142
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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Operation
PS017610-0404
System
Control
Clock
Timer
Block
Input
Data
Bus
Timer Operating Modes
Figure 66. Timer Block Diagram
The timers are 16-bit up-counters. Minimum time-out delay is set by loading the value
0001H
to 1. Maximum time-out delay is set by loading the value
High and Low Byte registers and setting the prescale value to 128. If the Timer reaches
FFFFH
The timers can be configured to operate in the following modes:
One-Shot Mode
In One-Shot mode, the timer counts up to the 16-bit Reload value stored in the Timer
Reload High and Low Byte registers. The timer input is the system clock. Upon reaching
the Reload value, the timer generates an interrupt and the count value in the Timer High
and Low Byte registers is reset to
stops counting.
Also, if the Timer Output alternate function is enabled, the Timer Output pin changes state
for one system clock cycle (from Low to High or from High to Low) upon timer Reload. If
it is desired to have the Timer Output make a permanent state change upon One-Shot time-
Capture
Input
Input
Gate
, the timer rolls over to
into the Timer Reload High and Low Byte registers and setting the prescale value
PWM / Compare
Reload Register
16-Bit Counter
with Prescaler
Control
16-Bit
16-Bit
Timer
0000H
0001H
Z8F640x/Z8F480x/Z8F320x/Z8F240x/Z8F160x
and continues counting.
. Then, the timer is automatically disabled and
Timer Block
Timer Output
0000H
Interrupt,
Control
PWM,
and
into the Timer Reload
Z8 Encore!
Interrupt
Output
Timer
Timer
Timers
®
58
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